/* Endpoint Shield — site design system. Self-hosted fonts (OFL), no external requests. */
@font-face { font-family: "Inter"; src: url("fonts/inter-var.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("fonts/source-serif-4-var.woff2") format("woff2"); font-weight: 200 900; font-display: swap; }

:root {
  --navy-950: #061224; --navy-900: #0a1b33; --navy-800: #102846; --navy-700: #183a63; --navy-500: #3b5a85;
  --teal-500: #14b8a6; --teal-400: #2dd4bf; --teal-600: #0d9488; --teal-700: #0f766e; --teal-50: #e9fbf8;
  --ink: #0b1526; --text: #1e2a3b; --muted: #5a6880; --line: #e3e8f0; --line-strong: #cfd7e3;
  --surface: #ffffff; --canvas: #f5f7fa; --warm: #f8f6f2;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --radius: 14px; --shadow: 0 1px 2px rgba(10, 27, 51, .06), 0 12px 32px -12px rgba(10, 27, 51, .18);
  --shadow-lg: 0 2px 4px rgba(6, 18, 36, .08), 0 40px 80px -24px rgba(6, 18, 36, .45);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--surface); color: var(--text); font: 400 17px/1.65 var(--sans); font-feature-settings: "cv11", "ss01"; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-700); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--teal-400); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line); }
.site-head .bar { display: flex; align-items: center; gap: 32px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.01em; font-size: 17px; }
.logo svg { width: 28px; height: 28px; flex: none; }
.site-head nav { display: flex; gap: 28px; margin-left: auto; align-items: center; }
.site-head nav a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.site-head nav a:hover, .site-head nav a[aria-current="page"] { color: var(--ink); }
.btn { display: inline-flex; align-items: center; gap: 8px; font: 600 15px/1 var(--sans); padding: 13px 20px; border-radius: 10px; text-decoration: none; border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s; white-space: nowrap; }
.btn-primary { background: var(--teal-500); color: var(--navy-950); }
.btn-primary:hover { background: var(--teal-400); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .28); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, .6); }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { background: var(--navy-700); }
.site-head .btn { padding: 10px 16px; font-size: 14px; }
.site-head nav a.btn, .site-head nav a.btn:hover { color: #fff; }

/* Hero */
.hero { position: relative; background: radial-gradient(1200px 600px at 85% -10%, rgba(45, 212, 191, .18), transparent 60%), linear-gradient(180deg, var(--navy-950), var(--navy-900) 70%); color: #dbe4f0; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(180deg, #000 20%, transparent 85%); pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; padding-top: 88px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--teal-400); font: 600 13px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.hero h1 { font: 500 clamp(40px, 6vw, 68px)/1.04 var(--serif); letter-spacing: -.02em; color: #fff; margin: 22px 0 22px; max-width: 880px; }
.hero h1 em { font-style: italic; color: var(--teal-400); }
.hero .lead { font-size: clamp(18px, 2vw, 21px); line-height: 1.6; max-width: 720px; color: #b9c6d8; margin: 0 0 34px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .note { margin-top: 18px; font-size: 14px; color: #8ea0b8; }
.hero-shot { margin: 64px auto -1px; max-width: 1120px; }

/* Framed product screen */
.screen { background: #fff; border-radius: 14px 14px 0 0; box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid rgba(255, 255, 255, .12); }
.screen .chrome { height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 14px; background: #eef2f7; border-bottom: 1px solid var(--line); }
.screen .chrome i { width: 10px; height: 10px; border-radius: 50%; background: #cfd7e3; display: block; }
.screen .chrome span { margin-left: 12px; font: 500 12px/1 var(--sans); color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 5px 12px; }
.screen.rounded { border-radius: 14px; }
.shot { border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; background: #fff; }

/* Proof band */
.proof { background: var(--navy-900); color: #c9d5e5; border-top: 1px solid rgba(255, 255, 255, .06); }
.proof ul { list-style: none; margin: 0; padding: 34px 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof li { padding: 4px 28px; border-left: 1px solid rgba(255, 255, 255, .12); }
.proof li:first-child { border-left: 0; padding-left: 0; }
.proof b { display: block; font: 500 34px/1.1 var(--serif); color: #fff; letter-spacing: -.01em; margin-bottom: 6px; }
.proof span { font-size: 14px; line-height: 1.5; }

/* Sections */
section.block { padding: 110px 0; }
section.alt { background: var(--canvas); }
section.warm { background: var(--warm); }
.eyebrow { color: var(--teal-700); font: 600 13px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 16px; }
h2 { font: 500 clamp(32px, 4vw, 46px)/1.12 var(--serif); letter-spacing: -.015em; color: var(--ink); margin: 0 0 20px; }
.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head p { font-size: 19px; color: var(--muted); margin: 0; }
h3 { font: 650 19px/1.35 var(--sans); color: var(--ink); margin: 0 0 10px; letter-spacing: -.005em; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pillar { background: var(--surface); padding: 38px 34px; }
.pillar .ico { width: 44px; height: 44px; border-radius: 10px; background: var(--teal-50); color: var(--teal-700); display: grid; place-items: center; margin-bottom: 22px; }
.pillar .ico svg { width: 22px; height: 22px; }
.pillar p { color: var(--muted); margin: 0 0 16px; font-size: 16px; }
.pillar ul { margin: 0; padding: 0; list-style: none; font-size: 15px; color: var(--text); }
.pillar li { padding: 7px 0 7px 22px; position: relative; border-top: 1px solid var(--line); }
.pillar li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 8px; height: 8px; border-radius: 2px; background: var(--teal-500); }

.feature { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: center; }
.feature + .feature { margin-top: 120px; }
.feature.flip { grid-template-columns: 7fr 5fr; }
.feature.flip .copy { order: 2; }
.feature .copy p { color: var(--muted); font-size: 18px; margin: 0 0 22px; }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding: 10px 0 10px 32px; border-top: 1px solid var(--line); font-size: 16px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 15px; width: 18px; height: 18px; border-radius: 50%; background: var(--teal-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230f766e' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }

/* Dark band (AI agents) */
.dark { background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); color: #c3cfdf; }
.dark h2 { color: #fff; }
.dark .eyebrow { color: var(--teal-400); }
.dark .section-head p { color: #9fb0c6; }
.rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.rule { border: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .03); border-radius: 12px; padding: 26px; }
.rule code { font: 600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--teal-400); background: rgba(45, 212, 191, .1); padding: 5px 8px; border-radius: 6px; }
.rule h3 { color: #fff; margin-top: 16px; }
.rule p { margin: 0; font-size: 15px; color: #9fb0c6; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: s; }
.step { position: relative; padding-top: 58px; }
.step::before { counter-increment: s; content: "0" counter(s); position: absolute; top: 0; left: 0; font: 500 40px/1 var(--serif); color: var(--teal-600); }
.step::after { content: ""; position: absolute; top: 20px; left: 72px; right: -14px; height: 1px; background: var(--line-strong); }
.step:last-child::after { display: none; }
.step p { color: var(--muted); margin: 0; font-size: 16px; }

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.table-scroll .table { min-width: 640px; }
.table { width: 100%; border-collapse: collapse; font-size: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 18px 22px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font: 600 12px/1.2 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--canvas); }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.pill { display: inline-block; font: 600 12px/1 var(--sans); padding: 5px 9px; border-radius: 999px; background: var(--teal-50); color: var(--teal-700); }
.pill.muted { background: #eef2f7; color: var(--muted); }

/* Trust strip + CTA */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 56px; }
.trust-grid div { border-top: 2px solid var(--navy-900); padding-top: 18px; }
.trust-grid p { color: var(--muted); margin: 0; font-size: 16px; }
.cta { background: var(--navy-900); color: #c3cfdf; border-radius: 20px; padding: 64px; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -260px; background: radial-gradient(circle, rgba(45, 212, 191, .25), transparent 65%); }
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { margin: 0; font-size: 18px; position: relative; }

/* Documents (trust, privacy) */
.doc-hero { background: linear-gradient(180deg, var(--navy-950), var(--navy-900)); color: #b9c6d8; padding: 84px 0 64px; }
.doc-hero h1 { font: 500 clamp(36px, 5vw, 56px)/1.08 var(--serif); color: #fff; margin: 18px 0 16px; letter-spacing: -.02em; }
.doc-hero p { margin: 0; font-size: 19px; max-width: 720px; }
.doc { display: grid; grid-template-columns: 240px 1fr; gap: 72px; padding: 72px 24px 110px; }
.toc { position: sticky; top: 100px; align-self: start; font-size: 14px; }
.toc p { font: 600 12px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 7px 0 7px 14px; border-left: 2px solid var(--line); }
.toc a:hover { color: var(--ink); border-left-color: var(--teal-500); }
.prose { max-width: 760px; }
.prose h2 { font-size: 30px; margin: 56px 0 14px; scroll-margin-top: 96px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 28px; }
.prose p, .prose li { color: var(--text); font-size: 17px; }
.prose ul { padding-left: 22px; }
.prose li { margin: 8px 0; }
.prose .callout { background: var(--teal-50); border-left: 3px solid var(--teal-600); padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 22px 0; }
.prose .callout p { margin: 0; }
.prose .table { margin: 20px 0; font-size: 15px; }
.meta { color: var(--muted); font-size: 14px; }

/* Footer */
.site-foot { background: var(--navy-950); color: #8ea0b8; padding: 64px 0 40px; font-size: 14px; }
.site-foot .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.site-foot .logo { color: #fff; }
.site-foot p { margin: 14px 0 0; max-width: 340px; line-height: 1.6; }
.site-foot h4 { color: #fff; font: 600 13px/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; margin: 6px 0 16px; }
.site-foot a { color: #b9c6d8; text-decoration: none; display: block; padding: 4px 0; }
.site-foot a:hover { color: #fff; }
.site-foot .legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .08); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1000px) {
  .pillars, .rules, .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 40px; }
  .feature.flip .copy { order: 0; }
  .proof ul { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .proof li:nth-child(3) { border-left: 0; padding-left: 0; }
  .doc { grid-template-columns: 1fr; gap: 32px; }
  .toc { position: static; }
  .site-foot .cols { grid-template-columns: 1fr 1fr; }
  .cta { grid-template-columns: 1fr; padding: 44px 32px; }
  .trust-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-head nav a:not(.btn) { display: none; }
  section.block { padding: 72px 0; }
  .hero .wrap { padding-top: 56px; }
  .hero-shot { margin-top: 40px; }
  .screen .chrome span { display: none; }
  .proof ul { grid-template-columns: 1fr; }
  .proof li { border-left: 0; padding-left: 0; }
  .table th, .table td { padding: 14px; }
  .table td:first-child { white-space: normal; }
  .site-foot .cols { grid-template-columns: 1fr; }
  .wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.shot.fade { position: relative; }
.shot.fade::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 110px; background: linear-gradient(rgba(255, 255, 255, 0), #fff); pointer-events: none; }